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Finding the Fourth Proportional to 735,138.10, 1,030,243.10 and 735,138.10

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Solution

The fourth proportional to 735,138.10, 1,030,243.10 and 735,138.10 is: 1,030,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,138.10 : 1,030,243.10 = 735,138.10 : x
  2. Step 2: Convert to fraction form
    735,138.10/1,030,243.10 = 735,138.10/x
  3. Step 3: Cross multiply
    735,138.10x = 1,030,243.10 × 735,138.10
  4. Step 4: Simplify right side
    735,138.10x = 757,370,955,072.11
  5. Step 5: Solve for x
    x = 757,370,955,072.11/735,138.10
  6. Step 6: Final answer
    x = 1,030,243.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.